Home / 231,270.72-346,959.44-89,136.16

Finding the Fourth Proportional to 231,270.72, 346,959.44 and 89,136.16

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Solution

The fourth proportional to 231,270.72, 346,959.44 and 89,136.16 is: 133,724.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,270.72 : 346,959.44 = 89,136.16 : x
  2. Step 2: Convert to fraction form
    231,270.72/346,959.44 = 89,136.16/x
  3. Step 3: Cross multiply
    231,270.72x = 346,959.44 × 89,136.16
  4. Step 4: Simplify right side
    231,270.72x = 30,926,632,157.35
  5. Step 5: Solve for x
    x = 30,926,632,157.35/231,270.72
  6. Step 6: Final answer
    x = 133,724.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.